chapter in the dvds

[samtsukino.livejournal.com]

Hi!! this is the first time i post here ^^
I'm a little confused about the contents of the dvd's, i'd like to know how many chapters have the first and the second dvd from the serie?? cd japan say the first one includes 1 through 3 (see here) and the second one 2 through 4  (here)... do any of you read the info of these dvd's in the official web site or from another reliable site?? i don't know where to look at this information so if you know somthing about it, please let me know because i'm interested to buy the dvd's ^^

thanks in advance ^____^